html,
body {
    padding: 0;
    margin: 0;
}

body {
    padding: 15px;
}

#startDate {
    width: 300px !important;
}

.layui-form-item {
    margin-bottom: 0 !important;
}

.layui-btn-danger {
    margin-left: 10px !important;
}

.layui-btn .layui-icon {
    margin-right: 0px !important;
}

.layui-card-body {
    margin-top: 20px !important;
}